
Diesel Engines Quiz
Science
12th Grade
NGSS covered
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the crankshaft in a diesel engine?
Converts heat energy into reciprocating motion
Controls and powers the electric motor used to start the engine
Transfers reciprocating motion from the valve lifter to the rocker arm
Drives the camshaft gear or idler gear
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the oil pump in a diesel engine?
Circulates air and liquid to transfer heat away from the engine
Reduces friction by providing lubrication around and between moving parts
Pressurizes oil to circulate it to rotating and reciprocating parts
Produces, controls, and monitors electrical current needed while the vehicle is running
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the piston in a diesel engine?
Drives the camshaft gear or idler gear
Transfers reciprocating motion from the valve lifter to the rocker arm
Controls and powers the electric motor used to start the engine
Converts heat energy into reciprocating motion
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the cylinder head in a diesel engine?
Seals the top of the cylinder and contains coolant passages, injectors, and valves
Pressurizes oil to circulate it to rotating and reciprocating parts
Circulates air and liquid to transfer heat away from the engine
Stores momentum, smoothes out firing pulses, and carries the crankshaft around to the next firing pulse
Tags
NGSS.MS-PS3-3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the intake valve in a diesel engine?
Opens a port in the cylinder head to allow the spent exhaust gases to be forced from the cylinder
Rides on the cam lobe, converting the cam's rotary motion into reciprocating motion
Transfers motion from the push rod to the valve
Opens a port in the cylinder head to allow the fresh air charge to be drawn into the cylinder
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the oil cooler in a diesel engine?
Cools and regulates the oil temperature
Stores momentum, smoothes out firing pulses, and carries the crankshaft around to the next firing pulse
Reduces friction by providing lubrication around and between moving parts
Circulates air and liquid to transfer heat away from the engine
Tags
NGSS.MS-PS3-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of the exhaust valve in a diesel engine?
Opens a port in the cylinder head to allow the fresh air charge to be drawn into the cylinder
Opens a port in the cylinder head to allow the spent exhaust gases to be forced from the cylinder
Transfers motion from the push rod to the valve
Rides on the cam lobe, converting the cam's rotary motion into reciprocating motion
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